This thesis document was issued under the authority of another institution, not NPS. At the time it was written, a copy was added to the NPS Library collection for reasons not now known. It has been included in the digital archive for its historical value to NPS. Not believed to be a CIVINS (Civilian Institutions) title.

en_US

dc.description.abstract

... the author investigated the effects of surface roughness upon the cyclic life of 25ST aluminum alloy when subjected to repeated constant tensile stresses in the region above the proportional limit.